<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=s, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>

<body>
  <h1>hello brown</h1>
  <p>哈哈哈，我终于是一个全栈工程师了</p>
  <p>嘿嘿黑，不需要重启来更新文件啦</p>
</body>

</html>